Add Code Here/JAVA/stack/Stack.java
<reponame>RCC-MRU/Hacktoberfest2022new<filename>Add Code Here/JAVA/stack/Stack.java/*
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package stack;

/**
 *
 * @author Zohaib Hassan Soomro
 */
public interface Stack {
    public Object peek();
    public Object pop();
    public void push(Object obj);
    public int size();
    public boolean isEmpty();
          
}
